1. First, download the anti-cheat file by clicking "Anti-Cheat Download" below or copying the URL below into a web browser to download.

Anti-Cheat Download

https://dl.gamebuff.cn/tools/%E6%96%B0%E9%AB%98%E8%BE%BE%E7%A0%B4%E5%9D%8A%E8%80%85.rar 

2. After downloading, extract the files to your desktop or another folder, then open Steam and locate New Gundam Breaker. Right-click on the game and select "Properties".

3. Click on "Local Files", then click "Browse Local Files" to accurately find the game's root directory.

4. Then copy the extracted file NewGundamBreaker.exe into the game's root directory for replacement.

5. After copying, you can click "Play Game" in Steam, enter the game, and then open the GameBuff software. Click "Add a Buff" to modify the game.

Note: If you need to restore the original file, go to the game properties, click "Local Files", and click "Verify Integrity of Game Files" to restore the file, or make a backup of "NewGundamBreaker.exe" in advance.